How many sig figs in 25 00
[DOC File]Significant Figures Practice Worksheet
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Sig Figs. Rule for . Addition & Subtraction = Least number of . decimal places (highest value) Perform the following calculations and round according to the rule above. 1) 8.20 + 2 = 2) 13.59 + 23.25 + 20 = 3) 42.828 + 67.4629 = 4) 53.4028 - 14 = 5) 39.3 - 0.804 = 6) 91.68 - 19.1 =
[DOC File]Rules for recognizing sig figs
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have an infinite # of sig figs. Addition and Subtraction Sig Fig Rules. 1. line up the decimals. 2. draw a line to the right of the number with. the least precision (shortest column) 3. answer can’t go past the line. 4. use the 1st digit past the line to determine. where to round off. Multiplying and Dividing Sig Fig Rule
[DOC File]Unit 3 review: Scientific measurement
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Oct 25, 2010 · 5.5901 (four numbers AFTER the decimal) +25.301 (three numbers AFTER the decimal) 30.8911 ( Round to 30.891 Multiplying/dividing sig figs Whichever one of your numbers has the LOWEST SIG FIGS, round your answer to that number: 6.1001 (five sig figs) X 2.0___ (two sig figs) 12.2002 ( 12 (answer is rounded to two sig figs)
[DOC File]Unit Conversions - Scientific Notation and Significant Digits
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In scientific notation, all digits in the coefficient are significant: 8.75 × 105 has three significant digits. Zeros to the right of a significant digit but to the left of a decimal point may or may not be significant: 875,000 has at least three significant digits, but may have as many as six.
[DOC File]Lab 1-2 Sig Fig
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9 has 3 sig figs. 1. 000. 5 has 5 sig figs - ending. zeros WITH a decimal point are significant. 4. 00. has 3 sig figs. 2. 0.00. has 4 sig figs.4. 00. has 3 sig figs - beginning zeros. are NEVER significant. 0.000. 125 has 3 sig figs. 0.00. 2 has 1 sig fig - ending . zeros without a decimal are NOT significant. 400. has 1 sig fig. 2500. has 2 ...
[DOC File]Unit 1 Metric system, significant figures, factor label ...
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In 31.00 the zeroes are significant, because the number was . Measured to the hundredth place. Math with Sig Figs. When . multiplying,your answer can only have the same number of . Sig figs as the least significant factor multiplied. 2.46 x 3.8 = 9.348 which becomes 9.3 . 2.46 is 3 SIG figs and 3.8 is only 2 sig figs, so you round the answer to
[DOC File]Significant Figures Review
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Significant figure - _____ Rule 1 _____ i.e. 10, 1100, 120, 1000, 12500
Find the number of significant digits in the following:
Provide the best, complete, detailed, yet concise answers to the following. Find the number of significant digits in the following: PROBLEM ANSWER
[DOC File]Chemistry Test Review Sheet – Chapters 10 & 11
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****ALL ANSWERS MUST INCLUDE THE PROPER UNITS & SIG FIGS.**** SOLVE THE FOLLOWING MOLAR CONVERSION & MOLARITY PROBLEMS: How many grams would 8.1 ( 1021 molecules of sucrose (C12H22O11) weigh? How many grams of AgNO3 are required to make 25 mL of a 0.80M solution? How many moles are in 53.8 g of magnesium chloride?
[DOC File]NAME
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How do you know how many sig figs should be in a measurement? It is determined by the instrument used to make the measurement plus one extra number that is estimated. Count the number of sig figs in the following measurements. 2390 3. d. 120 2. 0.00987 3. e. 4,900 2. 0.03056 4. f. 300 1. Express the following values in 4 sig figs. a. 56 56.00 ...
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